XML 40 R26.htm IDEA: XBRL DOCUMENT v3.20.4
Goodwill and Identifiable Assets (Tables)
 12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The following table summarizes the activity related to the carrying amount of goodwill by reportable segment for the years ended December 31, 2020 and 2019 (in millions): 
Apex
Segment		Oxford
Segment		ECS
Segment		Total
Balance as of December 31, 2018
$662.1 $230.8 $528.2 $1,421.1 
2019 acquisitions(1)
41.4 — 24.7 66.1 
Translation adjustment— (0.3)— (0.3)
Balance as of December 31, 2019
703.5 230.5 552.9 1,486.9 
2020 acquisitions(1)
40.3 — 89.2 129.5 
Translation adjustment(0.1)2.1 — 2.0 
Balance as of December 31, 2020
$743.7 $232.6 $642.1 $1,618.4 
Schedule of Acquired Intangible Assets
Acquired intangible assets consisted of the following (in millions):
  December 31, 2020December 31, 2019
 Estimated Useful Life (in years)
Gross Carrying Amount(1)
Accumulated AmortizationNet Carrying Amount
Gross Carrying Amount(1)
Accumulated AmortizationNet Carrying Amount
Subject to amortization:     
Customer and contractual relationships
7.3 - 12.75
$441.3 $222.9 $218.4 $384.9 $179.9 $205.0 
Contractor relationships
4
71.2 71.0 0.2 71.1 70.6 0.5 
Contract Backlog
1 - 2.75
29.3 28.5 0.8 25.0 23.9 1.1 
Non-compete agreements
4 - 7
27.8 18.2 9.6 24.8 13.8 11.0 
  569.6 340.6 229.0 505.8 288.2 217.6 
Not subject to amortization:     
Trademarks258.9 — 258.9 258.9 — 258.9 
Total $828.5 $340.6 $487.9 $764.7 $288.2 $476.5 
Schedule of Estimated Future Amortization Expense
Amortization expense for intangible assets with finite lives was $51.7 million in 2020, $51.1 million in 2019 and $58.5 million in 2018. Estimated amortization for each of the next five years and thereafter follows (in millions):
2021$47.8 
202239.1 
202333.9 
202426.6 
202521.5 
Thereafter60.1 
$229.0